Common Problems of Papermaking Felt

Felt is a kind of precious materials in papermaking process. It can dewater, slow down the vibration and adjust the paper web line.

Felt becomes Wider

It’s common that felt becomes wider after using for a certain time. It’s impertinent to tear it. Firstly halt and wait for the felt becomes dry. Then cut down the extra edges and use soldering iron to scald edge.

Felt Knurling

Felt knurling mainly occurs in Tissue paper machine. The main reasons are as follows.
1. The dosage of dispersant is too much;
2. The pull of vacuum is not enough, the impuroyies in slurry are too much, hydraulic pressure is not enough, supporting roll rubber aging;
3. Supporting roll doesn’t install in right plase;
4. The weight of fire wire is to large;
5. Fibers’ thickness is undeserved.

How to find the Felt Knurling Position

Remove paper pulp, slow down drive speed, continue opening the vaccum and spray pipe. Stop the spray pipe when felt is clean. After felt dry, the felt knurling position will become white.

Leizhan provides various kinds of paper and pulp machien. Welcome to contacy us for more details.
Email: leizhanpapermachine@gmail.com

Project Case

Testline paper machine, also called kraft liner board machine is to produce testliner paper. With large capacity, lower energy consumption, superior quality and the most competitive price, our testliner paper making line enjoys the good command and admission of our customers. If you are interested in our products, welcome to our company, you can also consult via telephone or mail to us. Email: leizhanpapermachine@gmail.com

Cultural paper machine line: Firstly, Raw materials are conveyed by Chain Conveyor into Drum Pulper for pulping. Then, High Density Cleaner helps to remove heavy impurities. What’s more, we need to improve slurry beating degree by using Double Disc Refiner. Eventually, the waste paper turn into fine pulp after a series of screening and deslagging and it will be conveyed into Headbox for paper making.